Earthquake with magnitude of ML 1.1 on date 16-03-2023 and time 07:25:13 (UTC) in region 3 km NE Pinasca (TO)

A magnitude ML 1.1 earthquake occured in region: 3 km NE Pinasca (TO), on

  • 16-03-2023 07:25:13 (UTC)
  • 16-03-2023 08:25:13 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.9650, 7.2450 at 12 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Pinasca TO 3 3051 3051
Inverso Pinasca TO 3 730 3781
Perosa Argentina TO 4 3285 7066
Villar Perosa TO 5 4092 11158
Pomaretto TO 5 1009 12167
Pramollo TO 7 258 12425
San Germano Chisone TO 7 1854 14279
Cantalupa TO 7 2553 16832
Roletto TO 8 2009 18841
San Pietro Val Lemina TO 8 1448 20289
Porte TO 9 1083 21372
Frossasco TO 9 2864 24236
Roure TO 10 848 25084
Coazze TO 11 3287 28371
Cumiana TO 11 7826 36197
Perrero TO 11 659 36856
Pinerolo TO 11 35808 72664
Prarostino TO 11 1273 73937
San Secondo di Pinerolo TO 12 3575 77512
Giaveno TO 12 16455 93967
Angrogna TO 14 889 94856
Valgioie TO 15 951 95807
Massello TO 15 51 95858
Osasco TO 15 1141 96999
Piscina TO 15 3388 100387
Salza di Pinerolo TO 15 75 100462
Vaie TO 16 1458 101920
Trana TO 16 3877 105797
Torre Pellice TO 16 4551 110348
Bricherasio TO 16 4616 114964
Sant'Antonino di Susa TO 16 4306 119270
Villar Focchiardo TO 16 2042 121312
Chiusa di San Michele TO 17 1647 122959
Luserna San Giovanni TO 17 7395 130354
Buriasco TO 17 1410 131764
Fenestrelle TO 17 544 132308
Prali TO 17 246 132554
Piossasco TO 17 18589 151143
Garzigliana TO 18 572 151715
Reano TO 18 1818 153533
Avigliana TO 18 12516 166049
Sant'Ambrogio di Torino TO 18 4755 170804
Sangano TO 18 3707 174511
Macello TO 18 1229 175740
Borgone Susa TO 18 2229 177969
Condove TO 18 4638 182607
Lusernetta TO 18 506 183113
Villar Pellice TO 19 1076 184189
Caprie TO 19 2086 186275
Bruino TO 19 8639 194914
Bibiana TO 19 3442 198356
San Giorio di Susa TO 19 1024 199380
Buttigliera Alta TO 19 6419 205799
Campiglione Fenile TO 19 1390 207189
San Didero TO 19 551 207740
RorĂ  TO 19 257 207997
Usseaux TO 20 186 208183
Airasca TO 20 3794 211977
Villarbasse TO 20 3509 215486
Bobbio Pellice TO 20 563 216049

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km W of Moncalieri (57294 inhabitants)
36 Km W of Torino (890529 inhabitants)
68 Km NW of Cuneo (56081 inhabitants)
76 Km W of Asti (76202 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Reviewed
Rev100
ML 1.1 2023-03-16
07:25:13
44.9648 7.2453 12 2023-03-16
07:37:34
Sala Sismica INGV-Roma 115421951
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-16 07:25:13 ± 0.13
Latitude 44.9648 ± 0.0054
Longitude 7.2453 ± 0.0153
Depth (km) 12 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 115421951

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1116
Semi-minor axis of confidence ellipse (meter) 556
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 87
Circular confidence region, given by single value of horizontal uncertainty (meter) 1120.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 170
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.13040
Epicentral distance of station farthest from the epicenter (degree) 0.50092
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.1
Num. used stations 8
Type of magnitude ML
Reference to an origin 115421951
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-03-16 07:37:34
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.LSD.HHZ. 2023-03-16T07:25:30.28 0.3 undecidable manual S 351 55.5999 91 -0.61 63
GU.PZZ.HHZ. 2023-03-16T07:25:29.67 0.3 undecidable manual S 191 51.9036 91 -0.24 68
MN.BNI.HHZ. 2023-03-16T07:25:28.07 0.6 undecidable manual S 282 45.5211 91 -0.15 47
GU.RRL.HHZ. 2023-03-16T07:25:25.55 0.3 undecidable manual S 262 36.0417 91 -0.14 72
GU.LSD.HHZ. 2023-03-16T07:25:23.74 0.1 undecidable manual P 351 55.5999 91 0.15 92
GU.PZZ.HHZ. 2023-03-16T07:25:23.02 0.3 undecidable manual P 191 51.9036 91 0 72
MN.BNI.HHZ. 2023-03-16T07:25:22.29 0.3 undecidable manual P 282 45.5211 91 0.25 69
GU.RSP.HNZ. 2023-03-16T07:25:21.32 0.3 undecidable manual S 4 20.3685 94 -0.19 74
GU.RRL.HHZ. 2023-03-16T07:25:20.90 0.1 undecidable manual P 262 36.0417 91 0.31 93
GU.BHB.HHZ. 2023-03-16T07:25:19.74 0.1 undecidable manual S 174 14.4744 104 -0.19 98
GU.RSP.HNZ. 2023-03-16T07:25:18.39 0.1 undecidable manual P 4 20.3685 94 0.22 97
GU.BHB.HHZ. 2023-03-16T07:25:17.43 0.1 undecidable manual P 174 14.4744 104 0.17 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.BHB.HHE. ML:1.2 0.0001435 0.12 AML other m 2023-03-16T07:25:20.24
GU.BHB.HNE. ML:1.2 0.000143 0.14 AML other m 2023-03-16T07:25:20.25
GU.BHB.HHN. ML:1.2 0.00016749999999999998 0.14 AML other m 2023-03-16T07:25:20.33
GU.BHB.HNN. ML:1.2 0.000163 0.4 AML other m 2023-03-16T07:25:20.33
GU.RRL.HHE. ML:1.1 0.000046487595 3.3408 AML other m 2023-03-16T07:25:25.91
GU.PZZ.HHE. ML:1.2 0.000034834325 0.2016 AML other m 2023-03-16T07:25:32.16
GU.PZZ.HHN. ML:1.0 0.00002416175 0.1408 AML other m 2023-03-16T07:25:30.87
GU.LSD.HHE. ML:1.0 0.000017946141000000003 0.1792 AML other m 2023-03-16T07:25:30.78
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download